# Norovirus Genogroup I outbreak — Pennsylvania, 2011-11
> **Food** · Suspected · 9 ill / 0 hosp / 0 deaths
## Outbreak
- **NORS ID:** NORS-06f65fb41b52
- **Date:** 2011-11
- **State:** Pennsylvania
- **Primary mode:** Food
- **Etiology:** Norovirus Genogroup I
- **Etiology status:** Suspected
- **Setting:** Restaurant: Sit-down dining
## Impact
- **Illnesses:** 9
- **Hospitalizations:** 0
- **Deaths:** 0
## Food vehicle

- **Food:** oysters, raw
- **Contaminated ingredient:** oysters
- **IFSAC category:** Mollusks

## Source
- [NORS Dashboard](https://wwwn.cdc.gov/norsdashboard/)
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